Telephone attachment

Details Telephone attachment Telephone attachment

1980-08-11

1982-12-07

Ansher, Bernard

Recording, communication, or information retrieval equipment

Computer, data processor equipment

D 6184, D14 60, D1499

Patent

active

D02671743

REFERENCES:
patent: D185111 (1959-05-01), Yerace et al.
patent: D185453 (1959-06-01), McCracken
patent: D186111 (1959-09-01), Ostrie
patent: D229757 (1974-01-01), Hansen
patent: D249514 (1978-09-01), Loeb
patent: D259879 (1981-07-01), Pearl
patent: D261265 (1981-10-01), Leopoldi
patent: 3272531 (1966-09-01), Krauth, Jr.
patent: 3469336 (1969-09-01), Halperin
patent: 3806164 (1974-04-01), Babensee
patent: 4120107 (1978-10-01), Bukowsky
patent: 4192425 (1980-03-01), Landau et al.

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